Pipelines: Custom hostname for docker container

Hi,

is there any option how can I specify custom hostname for docker container instead of default generated one? Running locally I am able to do this using -h option:

 

docker run -h custom_host_name image

Thanks,

Marek

1 answer

0 vote

Hi Marek,

There is no current functionality to configure the hostname of the Docker container in the Docker run command.

Feel free to open a feature request here: https://bitbucket.org/site/master/issues

Out of curiosity, what's your use-case here? 

Thanks,

Phil

 

Hi Philip,

thanks for info. I got some pre-configured docker image with services bound to a specific host (dbserver). As content of /etc/hosts file is managed by a docker itself, any changes to /etc/hosts during docker build (such as adding a specific host) will be overwritten in the runtime. So the best option is to provide host during container creation with -h dbserver option. Otherwise services will fail due to unresolvable host.

Because I was not able to configure that in such a way in bitbucket I have created my own docker image (based on the original) with custom entrypoint startup script that adds proper host record into /etc/hosts.

 

#!/bin/bash
if [ `hostname` != "dbserver" ]
then
echo "127.0.0.1 dbserver" >> /etc/hosts
fi

 

Regards,

Marek

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